Vehicle grill insert



FIG. 1 is a front elevational view of a vehicle grill insert showing my design, in conjunction with a vehicle shown in phantom;

FIG. 2 is a rear perspective view of my design;

FIG. 3 is a front elevational view of my design;

FIG. 4 is a rear elevational view of my design;

FIG. 5 is a top plan view of my design, the bottom being a mirror image thereof; and,

FIG. 6 is a side or end elevational view of my design, the opposite side or end being a mirror image thereof. 

The ornamental design of a vehicle grill insert, as shown and described. 